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From: erik quanstrom <quanstro@coraid.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] 9pccpuf freezes (after replica/pull)
Date: Mon, 15 Oct 2007 14:30:36 -0400	[thread overview]
Message-ID: <e956deb223db34ddbe54b5c4bbd95876@coraid.com> (raw)
In-Reply-To: <10b109140710151127o5850c071xe1d6f98e6ae31603@mail.gmail.com>

> Is the usable size of kernel limited?
> I use NOT gziped variation of kernel, just as is written in "Compiling
> kernels (Plan 9 wiki)".
> Am I wrong?
> 
> Antonin

yes.  l.s sets up a temporary page table with 4MB mapped.  the whole
uncompressed kernel plus any memory needed for the kernel page table
plus any data structures needed before the kpt is established must fit in
3MB.  remember the bottom MB is basically wasted.

- erik


  reply	other threads:[~2007-10-15 18:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-15  6:18 Antonin Vecera
2007-10-15  7:26 ` Steve Simon
2007-10-15  8:26   ` Antonin Vecera
2007-10-15 13:59   ` Antonin Vecera
2007-10-15 16:07     ` ron minnich
2007-10-15 17:12       ` Antonin Vecera
2007-10-15 17:32         ` ron minnich
2007-10-15 17:36         ` Steve Simon
2007-10-15 17:48           ` erik quanstrom
2007-10-15 18:13           ` Antonin Vecera
2007-10-15 18:17             ` ron minnich
2007-10-15 18:25               ` erik quanstrom
2007-10-15 18:27               ` Antonin Vecera
2007-10-15 18:30                 ` erik quanstrom [this message]
2007-10-15 18:44                   ` Antonin Vecera
2007-10-15 18:57             ` Steve Simon
2007-10-15 16:56     ` erik quanstrom
2007-10-15 17:31       ` Antonin Vecera
2007-10-15 17:58         ` erik quanstrom
2007-10-15 18:20           ` Antonin Vecera
2007-10-15 18:23             ` erik quanstrom

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